Special Issue: Hormesis (Report‪)‬

INTRODUCTION Digital dermatitis is an important disease of the feet of cattle and is presented as painful, erosive ulcerations of the limb, usually located on the skin of the posterior aspect of digits, proximal to the interdigital cleft and midway between the heel bulbs [1,2] It is regarded as a significant cause of lameness and poor welfare [3,4], which affects the productivity of dairy cows [5]. The disease has been reported in the most parts of the world, but, according to our knowledge, has not been described, so far, an outbreak in new established dairy herd that the only entered livestock was exclusively clinically healthy heifers. The exploration of such condition is considered important because can give useful information about the entrance and the transmission of the disease in a farm.